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Tivari, R. K.
- A Study on the Periodicity of Foliage Diseases of Albizia lebbek and Control of Camptomeris Leaf Spot in Nursery
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Indian Forester, Vol 118, No 8 (1992), Pagination: 594-598Abstract
A disease calendar for nine fungal diseases of Albhia lebbek is prepared for the first time. This will help in management of the diseases of this important tree species in the nursery. Camptomeris leaf spot, an important nursery disease has been effectively controlled by the application of Topsin-M, Jkstein and Dithane M-45. Three to four applications of any of the effective fungicides at tri weekly intervals are recommanded for disease management.- Two New Diseases of Dalbergia sissoo ROXB.
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Indian Forester, Vol 117, No 1 (1991), Pagination: 58-60Abstract
Phoma nivea(Syd) Shrivastava and Bhargava forming stem cankers and Myrothecium roridum Toda ex. Fr. Causing leaf spot recorded as new pathogens on Dalbergia sissoo Roxb. Disease symmptoms caused by these pathogenes are described.- Control of Cladosporium Leaf Spot of Poplars in the Nursery
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Indian Forester, Vol 116, No 1 (1990), Pagination: 83-86Abstract
Experiments were conducted to evaluate different fungicides against Cladosporium humile J.J. Davis, a serious foliage pathogen of poplars and to study disease development in Shilli Nursery, Solan (H.P.). Dithane M-45(0.35%) was found most effective followed by a mixture of Dithane M-45 and Bavistin (0.2 and 0.05% respectively) and Dithane M-45 (0.25%) Disease development studies revealed that the pathogen overwinters on the fallen leaves, dormant buds, in lenticels and bark crevices of the standing plants. The infection begin to appear on the plants in the month of May and progressed to a highest disease index in November. Measures to control and contain the disease have been suggested.- Diseases of Forest Trees in Himachal Pradesh and their Control
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